Database Software

Did somebody know how to start an OWB workflow after an event occur ?

In my application, the OWB workflow must start (and import data) after a record is insert in one of my application database table. Actually, I schedule a job to look in that table every single minute. The problem is that every minute, a connection is open and close on the application database. Also, the user have to wait for one minute (at most) before is job begin to be process. Can someone have a way to start OWB on event by using trigger, queue or something else ?

Thank you,

MB